[Quick and Easy] - Prezlock app is flexible and convenient for the owner to manage users and passcodes, you can share lock for duration usage, number of usage or unlimited usage, and you can keep track of the locking history and location on the and Prezlock web dashboard. Great for business and personal use. [Unmatched Strength for Ultimate Protection] - Constructed from heavy-duty alloy metal and Boron Steel, this padlock epitomizes solidity and security. Achieving an ASTM Grade 3 rating, it offers the ability to withstand pulling forces of over 1000 pounds, thanks to its patented Double Ball Rollers locking mechanism. Your possessions are not just locked; they're fortified. [Key Backup for Enhanced Flexibility and Easy Setup] - Flexibility meets security with our padlock’s key backup feature in emergency situations. Use the backup key to effortlessly update the master code, delete user passwords, or reset the lock entirely. This added layer of convenience ensures your lock remains versatile and easy to manage, no matter the circumstance. [Weatherproof Durability Meets High] -Tech Design - Designed to brave the elements, our lock comes with a weatherproof IP65 rating, making it a reliable choice for outdoor use. Whether it’s securing gates, outbuildings, sheds, or storage lockers, this lock performs impeccably in any environment. Fully certified with FCC, SDOC, IC, ROHS, CE certifications, it meets the highest standards of safety and quality. [Quick Charging with Long-Lasting Rechargeability] - Say goodbye to constant battery replacements. Our Electronic Combination Padlock promises a full 6 months of operation on a single recharge, translating to approximately 1,500 openings. Coupled with a durable TPU material shield and a PVD-plated Boron Steel shackle, it offers both longevity and protection for the surfaces of your valuables., Weight: 0.7 Pounds, Manufacturer: Prezlock